Question

Find the ratio of TSA and CSA of cylinder whose height and radius 7.5cm and 3.5 cm​

Answer 1

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Answer 2

Answer:

if

h=7.5cm

r=3.5cm

then,

TSA of a Cylinder=69.08cm²

CSA of a Cylinder=

Step-by-step explanation:

TOTAL

r=3.5cm

h=7.5cm

substitute the values in the given formula;

2×22/7 (3.5+ 7.5)

2×22/7(11)

2×3.14 ×11

= 69.08cm²

CSA OF A CYLINDER:2πrh

=2×22/7×3.5×7.5

=44/7×3.5×7.5